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8.1x-2.2=38.3
We move all terms to the left:
8.1x-2.2-(38.3)=0
We add all the numbers together, and all the variables
8.1x-40.5=0
We move all terms containing x to the left, all other terms to the right
8.1x=40.5
x=40.5/8.1
x=5
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